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Suppression of stimulated Brillouin scattering in a fibre by changing the core radius

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3 Author(s)
K. Shiraki ; NTT Access Network Syst Labs., Ibaraki, Japan ; M. Ohashi ; M. Tateda

Stimulated Brillouin scattering (SBS) in a fibre is suppressed by making the core radius nonuniform along its length to utilise the core-radius dependence of the longitudinal acoustic frequency. The effective Brillouin gain of an SBS suppression fibre prepared by the VAD method was reduced by 3.5 dB compared with conventional fibres

Published in:

Electronics Letters  (Volume:31 ,  Issue: 8 )